1361205576133 has 16 divisors (see below), whose sum is σ = 1521131584896. Its totient is φ = 1209990962880.

The previous prime is 1361205576119. The next prime is 1361205576163. The reversal of 1361205576133 is 3316755021631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361205576133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361205576133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361205576103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17108710 + ... + 17188087.

It is an arithmetic number, because the mean of its divisors is an integer number (95070724056).

Almost surely, 2^{1361205576133} is an apocalyptic number.

1361205576133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1361205576133 is a deficient number, since it is larger than the sum of its proper divisors (159926008763).

1361205576133 is a wasteful number, since it uses less digits than its factorization.

1361205576133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34296924.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 1361205576133 in words is "one trillion, three hundred sixty-one billion, two hundred five million, five hundred seventy-six thousand, one hundred thirty-three".